The Pueblo Indians are known to have used prayer sticks, that is, sticks with feathers attached as supplicatory offerings.
From the en.wikipedia.org
Sonia opens her door to stand on the sill, and the crowd shrieks and surges forward, a hundred arms straining for a supplicatory touch of her feet.
From the time.com
The congregation traditionally stands during the entire repetition of this prayer, which contains a variety of confessional and supplicatory additions.
From the en.wikipedia.org
These branches, originally intended as a charm to avert failure of the crops, were afterwards regarded as forming part of a supplicatory service.
From the en.wikipedia.org
More examples
Suppliant: humbly entreating; "a suppliant sinner seeking forgiveness"